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Revision 1.132 - (hide annotations)
Sun Feb 3 09:10:45 2008 UTC (6 years, 2 months ago) by thenriksen
Branch: MAIN
Changes since 1.131: +26 -16 lines
Added some convenient restarts for when the output history gets messed up due to errors.
1 mikemac 1.1 ;;; -*- Mode: Lisp; Package: CLIM-INTERNALS -*-
2    
3     ;;; (c) copyright 1998,1999,2000 by Michael McDonald (mikemac@mikemac.com)
4 cvs 1.4 ;;; (c) copyright 2000 by
5     ;;; Iban Hatchondo (hatchond@emi.u-bordeaux.fr)
6     ;;; Julien Boninfante (boninfan@emi.u-bordeaux.fr)
7     ;;; Robert Strandh (strandh@labri.u-bordeaux.fr)
8 gilbert 1.95 ;;; (c) copyright 2004 by
9     ;;; Gilbert Baumann <unk6@rz.uni-karlsruhe.de>
10 mikemac 1.1
11     ;;; This library is free software; you can redistribute it and/or
12     ;;; modify it under the terms of the GNU Library General Public
13     ;;; License as published by the Free Software Foundation; either
14     ;;; version 2 of the License, or (at your option) any later version.
15     ;;;
16     ;;; This library is distributed in the hope that it will be useful,
17     ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18     ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19     ;;; Library General Public License for more details.
20     ;;;
21     ;;; You should have received a copy of the GNU Library General Public
22     ;;; License along with this library; if not, write to the
23     ;;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24     ;;; Boston, MA 02111-1307 USA.
25    
26 mikemac 1.60 (in-package :clim-internals)
27 mikemac 1.1
28 gilbert 1.33 ;; *application-frame* is in decls.lisp
29 mikemac 1.1 (defvar *default-frame-manager* nil)
30    
31 cvs 1.5 ;;; Frame-Manager class
32    
33 ahefner 1.122 ;; FIXME: The spec says the port must "conform to options".
34     ;; I've added a check that the ports match, but we've no
35     ;; protocol for testing the other options. -Hefner
36 cvs 1.5 (defun find-frame-manager (&rest options &key port &allow-other-keys)
37     (declare (special *frame-manager*))
38 ahefner 1.122 (if (and (boundp '*frame-manager*)
39     (or (null port)
40     (eql port (frame-manager-port *frame-manager*))))
41 cvs 1.5 *frame-manager*
42     (if (and *default-frame-manager*
43 ahefner 1.122 (frame-manager-p *default-frame-manager*)
44     (or (null port)
45     (eql port (frame-manager-port *default-frame-manager*))))
46 cvs 1.5 *default-frame-manager*
47 ahefner 1.122 (first (frame-managers (or port (apply #'find-port options)))))))
48 cvs 1.5
49     (defmacro with-frame-manager ((frame-manager) &body body)
50 adejneka 1.43 `(let ((*frame-manager* ,frame-manager))
51 cvs 1.5 (declare (special *frame-manager*))
52 adejneka 1.43 (locally ,@body)))
53    
54 moore 1.94 ;;; XXX These should force the redisplay of the menu bar. They don't
55     ;;; yet.
56    
57     (defmethod note-command-enabled (frame-manager frame command-name)
58     (declare (ignore frame-manager frame command-name))
59     nil)
60    
61     (defmethod note-command-disabled (frame-manager frame command-name)
62     (declare (ignore frame-manager frame command-name))
63     nil)
64    
65 mikemac 1.1 ;;; Application-Frame class
66 moore 1.38 ;;; XXX All these slots should move to a mixin or to standard-application-frame.
67     ;;; -- moore
68 mikemac 1.1
69 brian 1.54 ; extension
70     (defgeneric frame-schedule-timer-event (frame sheet delay token))
71 adejneka 1.13
72 hefner1 1.68 (defgeneric note-input-focus-changed (pane state)
73     (:documentation "Called when a pane receives or loses the keyboard
74     input focus. This is a McCLIM extension."))
75 tmoore 1.114
76     (defclass standard-application-frame (application-frame
77     presentation-history-mixin)
78 moore 1.90 ((port :initform nil
79     :initarg :port
80     :accessor port)
81     (graft :initform nil
82     :initarg :graft
83     :accessor graft)
84     (name :initarg :name
85     :reader frame-name)
86     (pretty-name :initarg :pretty-name
87     :accessor frame-pretty-name)
88     (command-table :initarg :command-table
89     :initform nil
90     :accessor frame-command-table)
91     (named-panes :accessor frame-named-panes :initform nil)
92     (panes :initform nil :reader frame-panes
93     :documentation "The tree of panes in the current layout.")
94     (layouts :initform nil
95     :initarg :layouts
96     :reader frame-layouts)
97     (current-layout :initform nil
98     :initarg :current-layout
99     :accessor frame-current-layout)
100     (panes-for-layout :initform nil :accessor frame-panes-for-layout
101     :documentation "alist of names and panes (as returned by make-pane)")
102     (top-level-sheet :initform nil
103     :reader frame-top-level-sheet)
104     (menu-bar :initarg :menu-bar
105     :initform nil)
106     (state :initarg :state
107     :initform :disowned
108     :reader frame-state)
109     (manager :initform nil
110     :reader frame-manager
111     :accessor %frame-manager)
112     (properties :accessor %frame-properties
113     :initarg :properties
114     :initform nil)
115     (top-level :initform '(default-frame-top-level)
116     :initarg :top-level
117     :reader frame-top-level)
118     (top-level-lambda :initarg :top-level-lambda
119     :reader frame-top-level-lambda)
120     (hilited-presentation :initform nil
121     :initarg :hilited-presentation
122 ahefner 1.127 :accessor frame-hilited-presentation)
123 tmoore 1.111 (process :accessor frame-process :initform nil)
124 tmoore 1.114 (client-settings :accessor client-settings :initform nil)
125     (event-queue :initarg :frame-event-queue
126 hefner1 1.66 :initarg :input-buffer
127     :initform nil
128 moore 1.38 :accessor frame-event-queue
129     :documentation "The event queue that, by default, will be
130 moore 1.47 shared by all panes in the stream")
131     (documentation-state :accessor frame-documentation-state
132     :initform nil
133     :documentation "Used to keep of track of what
134 moore 1.89 needs to be rendered in the pointer documentation frame.")
135     (calling-frame :reader frame-calling-frame
136     :initarg :calling-frame
137     :initform nil
138     :documentation "The frame that is the parent of this
139 moore 1.94 frame, if any")
140     (disabled-commands :accessor disabled-commands
141 tmoore 1.114 :accessor frame-disabled-commands
142     :initarg :disabled-commands
143 moore 1.94 :initform nil
144     :documentation "A list of command names that have been
145 tmoore 1.114 disabled in this frame")
146     (documentation-record :accessor documentation-record
147     :initform nil
148     :documentation "updating output record for pointer
149 ahefner 1.127 documentation produced by presentations.")
150     (geometry-left :accessor geometry-left
151     :initarg :left
152     :initform nil)
153     (geometry-right :accessor geometry-right
154     :initarg :right
155     :initform nil)
156     (geometry-top :accessor geometry-top
157     :initarg :top
158     :initform nil)
159     (geometry-bottom :accessor geometry-bottom
160     :initarg :bottom
161     :initform nil)
162     (geometry-width :accessor geometry-width
163     :initarg :width
164     :initform nil)
165     (geometry-height :accessor geometry-height
166     :initarg :height
167     :initform nil)))
168    
169     (defmethod frame-geometry* ((frame standard-application-frame))
170     "-> width height &optional top left"
171     (let ((pane (frame-top-level-sheet frame)))
172     ;(destructuring-bind (&key left top right bottom width height) (frame-geometry frame)
173     (with-slots (geometry-left geometry-top geometry-right
174     geometry-bottom geometry-width
175     geometry-height) frame
176     ;; Find width and height from looking at the respective options
177     ;; first, then at left/right and top/bottom and finally at what
178     ;; compose-space says.
179     (let* ((width (or geometry-width
180     (and geometry-left geometry-right
181     (- geometry-right geometry-left))
182     (space-requirement-width (compose-space pane))))
183     (height (or geometry-height
184     (and geometry-top geometry-bottom (- geometry-bottom geometry-top))
185     (space-requirement-height (compose-space pane))))
186     ;; See if a position is wanted and return left, top.
187     (left (or geometry-left
188     (and geometry-right (- geometry-right geometry-width))))
189     (top (or geometry-top
190     (and geometry-bottom (- geometry-bottom geometry-height)))))
191     (values width height left top)))))
192 moore 1.38
193     ;;; Support the :input-buffer initarg for compatibility with "real CLIM"
194    
195     (defmethod initialize-instance :after ((obj standard-application-frame)
196 moore 1.89 &key &allow-other-keys)
197     (when (and (frame-calling-frame obj)
198     (null (frame-event-queue obj)))
199     (setf (frame-event-queue obj)
200     (frame-event-queue (frame-calling-frame obj))))
201 hefner1 1.66 (unless (frame-event-queue obj)
202 hefner1 1.72 (setf (frame-event-queue obj)
203 hefner1 1.79 (make-instance 'port-event-queue))))
204 mikemac 1.1
205     (defmethod (setf frame-manager) (fm (frame application-frame))
206     (let ((old-manager (frame-manager frame)))
207 adejneka 1.46 (setf (%frame-manager frame) nil)
208 mikemac 1.1 (when old-manager
209     (disown-frame old-manager frame)
210     (setf (slot-value frame 'panes) nil)
211     (setf (slot-value frame 'layouts) nil))
212 adejneka 1.46 (setf (%frame-manager frame) fm)))
213 mikemac 1.1
214 moore 1.90 (define-condition frame-layout-changed (condition)
215     ((frame :initarg :frame :reader frame-layout-changed-frame)))
216    
217     (defmethod (setf frame-current-layout) :after (name (frame application-frame))
218 mikemac 1.1 (declare (ignore name))
219 ahefner 1.107 (when (frame-manager frame)
220     (generate-panes (frame-manager frame) frame)
221     (multiple-value-bind (w h) (frame-geometry* frame)
222     (layout-frame frame w h))
223     (signal 'frame-layout-changed :frame frame)))
224 mikemac 1.1
225     (defmethod generate-panes :before (fm (frame application-frame))
226     (declare (ignore fm))
227 moore 1.101 (when (and (frame-panes frame)
228     (eq (sheet-parent (frame-panes frame))
229     (frame-top-level-sheet frame)))
230 moore 1.90 (sheet-disown-child (frame-top-level-sheet frame) (frame-panes frame)))
231     (loop
232     for (nil . pane) in (frame-panes-for-layout frame)
233     for parent = (sheet-parent pane)
234     if parent
235     do (sheet-disown-child parent pane)))
236 mikemac 1.1
237     (defmethod generate-panes :after (fm (frame application-frame))
238     (declare (ignore fm))
239 moore 1.90 (sheet-adopt-child (frame-top-level-sheet frame) (frame-panes frame))
240     (unless (sheet-parent (frame-top-level-sheet frame))
241     (sheet-adopt-child (graft frame) (frame-top-level-sheet frame)))
242 gilbert 1.95 ;; Find the size of the new frame
243     (multiple-value-bind (w h x y) (frame-geometry* frame)
244 crhodes 1.119 (declare (ignore x y))
245 cvs 1.5 ;; automatically generates a window-configuation-event
246     ;; which then calls allocate-space
247 gilbert 1.39 ;;
248 crhodes 1.119 ;; Not any longer, we turn off CONFIGURE-NOTIFY events until the
249 gilbert 1.39 ;; window is mapped and do the space allocation now, so that all
250     ;; sheets will have their correct geometry at once. --GB
251 mikemac 1.1 (setf (sheet-region (frame-top-level-sheet frame))
252 gilbert 1.95 (make-bounding-rectangle 0 0 w h))
253     (allocate-space (frame-top-level-sheet frame) w h) ))
254 mikemac 1.1
255     (defmethod layout-frame ((frame application-frame) &optional width height)
256 moore 1.90 (let ((pane (frame-panes frame)))
257 ahefner 1.124 (when (and (or width height)
258     (not (and width height)))
259     (error "LAYOUT-FRAME must be called with both WIDTH and HEIGHT or neither"))
260 mikemac 1.1 (if (and (null width) (null height))
261 gilbert 1.95 (let ((space (compose-space pane))) ;I guess, this might be wrong. --GB 2004-06-01
262 mikemac 1.1 (setq width (space-requirement-width space))
263     (setq height (space-requirement-height space))))
264 gilbert 1.63 (let ((tpl-sheet (frame-top-level-sheet frame)))
265     (unless (and (= width (bounding-rectangle-width tpl-sheet))
266     (= height (bounding-rectangle-height tpl-sheet)))
267     (resize-sheet (frame-top-level-sheet frame) width height)))
268 mikemac 1.1 (allocate-space pane width height)))
269    
270 adejneka 1.13 (defun find-pane-if (predicate panes)
271     "Returns a pane satisfying PREDICATE in the forest growing from PANES"
272 moore 1.90 (map-over-sheets #'(lambda (p)
273     (when (funcall predicate p)
274     (return-from find-pane-if p)))
275     panes)
276     nil)
277 moore 1.27
278 adejneka 1.13 (defun find-pane-of-type (panes type)
279     (find-pane-if #'(lambda (pane) (typep pane type)) panes))
280 adejneka 1.40
281 moore 1.90 ;;; There are several ways to do this; this isn't particularly efficient, but
282     ;;; it shouldn't matter much. If it does, it might be better to map over the
283     ;;; panes in frame-named-panes looking for panes with parents.
284 adejneka 1.13 (defmethod frame-current-panes ((frame application-frame))
285 moore 1.90 (let ((panes nil)
286     (named-panes (frame-named-panes frame)))
287     (map-over-sheets #'(lambda (p)
288     (when (member p named-panes)
289     (push p panes)))
290     (frame-panes frame))
291     panes))
292 adejneka 1.13
293     (defmethod get-frame-pane ((frame application-frame) pane-name)
294 moore 1.90 (let ((pane (find-pane-named frame pane-name)))
295     (if (typep pane 'clim-stream-pane)
296     pane
297     nil)))
298 adejneka 1.13
299     (defmethod find-pane-named ((frame application-frame) pane-name)
300 moore 1.90 (find pane-name (frame-named-panes frame) :key #'pane-name))
301 adejneka 1.13
302 mikemac 1.1 (defmethod frame-standard-output ((frame application-frame))
303 cvs 1.6 (or (find-pane-of-type (frame-panes frame) 'application-pane)
304     (find-pane-of-type (frame-panes frame) 'interactor-pane)))
305 mikemac 1.1
306     (defmethod frame-standard-input ((frame application-frame))
307 cvs 1.6 (or (find-pane-of-type (frame-panes frame) 'interactor-pane)
308 mikemac 1.1 (frame-standard-output frame)))
309    
310     (defmethod frame-query-io ((frame application-frame))
311     (or (frame-standard-input frame)
312     (frame-standard-output frame)))
313    
314     (defmethod frame-error-output ((frame application-frame))
315     (frame-standard-output frame))
316    
317     (defvar *pointer-documentation-output* nil)
318    
319     (defmethod frame-pointer-documentation-output ((frame application-frame))
320 adejneka 1.13 (find-pane-of-type (frame-panes frame) 'pointer-documentation-pane))
321 mikemac 1.1
322 moore 1.93 #+nil
323 hefner1 1.70 (defmethod redisplay-frame-panes ((frame application-frame) &key force-p)
324     (map-over-sheets
325     (lambda (sheet)
326     (when (typep sheet 'pane)
327     (when (and (typep sheet 'clim-stream-pane)
328     (not (eq :no-clear (pane-redisplay-needed sheet))))
329     (window-clear sheet))
330     (redisplay-frame-pane frame sheet :force-p force-p)))
331     (frame-top-level-sheet frame)))
332    
333 moore 1.93 (defmethod redisplay-frame-panes ((frame application-frame) &key force-p)
334     (map-over-sheets (lambda (sheet)
335     (redisplay-frame-pane frame sheet :force-p force-p))
336     (frame-top-level-sheet frame)))
337    
338    
339 moore 1.82 (defmethod frame-replay (frame stream &optional region)
340     (declare (ignore frame))
341     (stream-replay stream region))
342    
343     (defmethod frame-properties ((frame application-frame) property)
344     (getf (%frame-properties frame) property))
345    
346     (defmethod (setf frame-properties) (value (frame application-frame) property)
347     (setf (getf (%frame-properties frame) property) value))
348    
349 mikemac 1.1 ;;; Command loop interface
350    
351 mikemac 1.22 (define-condition frame-exit (condition)
352 moore 1.26 ((frame :initarg :frame :reader %frame-exit-frame)))
353 mikemac 1.22
354 hefner1 1.66 ;; I make the assumption here that the contents of *application-frame* is
355     ;; the frame the top-level loop is running. With the introduction of
356     ;; window-stream frames that may be sharing the event queue with the main
357     ;; application frame, we need to discriminate between them here to avoid
358     ;; shutting down the application at the wrong time.
359     ;; ...
360     ;; A better way to do this would be to make the handler bound in
361     ;; run-frame-top-level check whether the frame signalled is the one
362     ;; it was invoked on.. -- Hefner
363    
364 mikemac 1.22 (defmethod frame-exit ((frame standard-application-frame))
365 hefner1 1.66 (if (eq *application-frame* frame)
366     (signal 'frame-exit :frame frame)
367 ahefner 1.128 (disown-frame (frame-manager frame) frame)))
368 moore 1.26
369     (defmethod frame-exit-frame ((c frame-exit))
370     (%frame-exit-frame c))
371 mikemac 1.22
372 moore 1.59 (defmethod redisplay-frame-pane ((frame application-frame) pane &key force-p)
373     (declare (ignore pane force-p))
374     nil)
375    
376 rstrandh 1.109 (defgeneric medium-invoke-with-possible-double-buffering (frame pane medium continuation))
377    
378     (defmethod medium-invoke-with-possible-double-buffering (frame pane medium continuation)
379     (funcall continuation))
380    
381     (defgeneric invoke-with-possible-double-buffering (frame pane continuation))
382    
383     (defmethod invoke-with-possible-double-buffering (frame pane continuation)
384     (declare (ignore frame pane))
385     (funcall continuation))
386    
387     (defmethod invoke-with-possible-double-buffering (frame (pane sheet-with-medium-mixin) continuation)
388     (medium-invoke-with-possible-double-buffering frame pane (sheet-medium pane) continuation))
389    
390     (defmacro with-possible-double-buffering ((frame pane) &body body)
391     `(invoke-with-possible-double-buffering ,frame ,pane (lambda () ,@body)))
392    
393 moore 1.93 (defmethod redisplay-frame-pane :around ((frame application-frame) pane
394     &key force-p)
395 thenriksen 1.121 (let ((pane-object (if (typep pane 'pane)
396     pane
397     (find-pane-named frame pane))))
398 thenriksen 1.132 (restart-case
399     (multiple-value-bind (redisplayp clearp)
400     (pane-needs-redisplay pane-object)
401     (when force-p
402     (setq redisplayp (or redisplayp t)
403     clearp t))
404     (when redisplayp
405     (let ((hilited (frame-hilited-presentation frame)))
406     (when hilited
407     (highlight-presentation-1 (car hilited) (cdr hilited) :unhighlight)
408     (setf (frame-hilited-presentation frame) nil)))
409     (with-possible-double-buffering (frame pane-object)
410     (when clearp
411     (window-clear pane-object))
412     (call-next-method))
413     (unless (or (eq redisplayp :command-loop) (eq redisplayp :no-clear))
414     (setf (pane-needs-redisplay pane-object) nil))))
415     (clear-pane-try-again ()
416     :report "Clear the output history of the pane and reattempt forceful redisplay"
417     (window-clear pane)
418     (redisplay-frame-pane frame pane :force-p t))
419     (clear-pane ()
420     :report "Clear the output history of the pane, but don't redisplay"
421     (window-clear pane))
422     (skip-redisplay ()
423     :report "Skip this redisplay"))))
424 moore 1.93
425 moore 1.90 (defmethod run-frame-top-level ((frame application-frame)
426     &key &allow-other-keys)
427 tmoore 1.111 (letf (((frame-process frame) (current-process)))
428     (handler-case
429     (funcall (frame-top-level-lambda frame) frame)
430     (frame-exit ()
431     nil))))
432    
433 mikemac 1.1
434 adejneka 1.44 (defmethod run-frame-top-level :around ((frame application-frame) &key)
435 mikemac 1.1 (let ((*application-frame* frame)
436     (*input-context* nil)
437     (*input-wait-test* nil)
438     (*input-wait-handler* nil)
439 moore 1.52 (*pointer-button-press-handler* nil)
440     (original-state (frame-state frame)))
441 mikemac 1.1 (declare (special *input-context* *input-wait-test* *input-wait-handler*
442     *pointer-button-press-handler*))
443 hefner1 1.74 (when (eq (frame-state frame) :disowned) ; Adopt frame into frame manager
444 moore 1.52 (adopt-frame (or (frame-manager frame) (find-frame-manager))
445     frame))
446     (unless (or (eq (frame-state frame) :enabled)
447     (eq (frame-state frame) :shrunk))
448     (enable-frame frame))
449 moore 1.90 (unwind-protect
450     (loop
451     for query-io = (frame-query-io frame)
452     for *default-frame-manager* = (frame-manager frame)
453     do (handler-case
454     (return (if query-io
455     (with-input-focus (query-io)
456     (call-next-method))
457     (call-next-method)))
458     (frame-layout-changed () nil)))
459     (let ((fm (frame-manager frame)))
460 ahefner 1.128 (case original-state
461     (:disabled
462     (disable-frame frame))
463     (:disowned
464     (disown-frame fm frame)))))))
465 mikemac 1.1
466 moore 1.85 (defparameter +default-prompt-style+ (make-text-style :fix :italic :normal))
467    
468 mikemac 1.1 (defmethod default-frame-top-level
469     ((frame application-frame)
470     &key (command-parser 'command-line-command-parser)
471     (command-unparser 'command-line-command-unparser)
472     (partial-command-parser
473     'command-line-read-remaining-arguments-for-partial-command)
474 moore 1.35 (prompt "Command: "))
475 moore 1.93 ;; Give each pane a fresh start first time through.
476     (let ((first-time t))
477     (loop
478     ;; The variables are rebound each time through the loop because the
479     ;; values of frame-standard-input et al. might be changed by a command.
480     (let* ((*standard-input* (or (frame-standard-input frame)
481     *standard-input*))
482     (*standard-output* (or (frame-standard-output frame)
483     *standard-output*))
484     (query-io (frame-query-io frame))
485     (*query-io* (or query-io *query-io*))
486     (*pointer-documentation-output*
487     (frame-pointer-documentation-output frame))
488     ;; during development, don't alter *error-output*
489     ;; (*error-output* (frame-error-output frame))
490     (*command-parser* command-parser)
491     (*command-unparser* command-unparser)
492     (*partial-command-parser* partial-command-parser)
493     (interactorp (typep *query-io* 'interactor-pane)))
494     (restart-case
495     (progn
496     (redisplay-frame-panes frame :force-p first-time)
497     (setq first-time nil)
498     (if query-io
499 ahefner 1.120 ;; For frames with an interactor:
500 hefner1 1.100 (progn
501 ahefner 1.120 ;; Hide cursor, so we don't need to toggle it during
502     ;; command output.
503 moore 1.93 (setf (cursor-visibility (stream-text-cursor *query-io*))
504     nil)
505     (when (and prompt interactorp)
506     (with-text-style (*query-io* +default-prompt-style+)
507     (if (stringp prompt)
508     (write-string prompt *query-io*)
509     (funcall prompt *query-io* frame))
510     (finish-output *query-io*)))
511     (let ((command (read-frame-command frame
512     :stream *query-io*)))
513     (when interactorp
514     (fresh-line *query-io*))
515     (when command
516     (execute-frame-command frame command))
517     (when interactorp
518     (fresh-line *query-io*))))
519 ahefner 1.120 ;; Frames without an interactor:
520     (let ((command (read-frame-command frame :stream nil)))
521     (when command (execute-frame-command frame command)))))
522 moore 1.93 (abort ()
523     :report "Return to application command loop"
524     (if interactorp
525     (format *query-io* "~&Command aborted.~&")
526     (beep))))))))
527 moore 1.85
528 moore 1.87 (defmethod read-frame-command :around ((frame application-frame)
529 ahefner 1.120 &key (stream *standard-input*))
530 moore 1.64 (with-input-context ('menu-item)
531 moore 1.92 (object)
532     (call-next-method)
533 moore 1.64 (menu-item
534 thenriksen 1.129 (let ((command (command-menu-item-value object))
535     (table (frame-command-table frame)))
536 moore 1.92 (unless (listp command)
537 thenriksen 1.129 (setq command (partial-command-from-name command table)))
538 moore 1.92 (if (and (typep stream 'interactor-pane)
539 thenriksen 1.126 (partial-command-p command))
540 moore 1.92 (command-line-read-remaining-arguments-for-partial-command
541 thenriksen 1.129 table stream command 0)
542 moore 1.92 command)))))
543 moore 1.64
544 moore 1.87 (defmethod read-frame-command ((frame application-frame)
545     &key (stream *standard-input*))
546 ahefner 1.107 ;; The following is the correct interpretation according to the spec.
547     ;; I think it is terribly counterintuitive and want to look into
548     ;; what existing CLIMs do before giving in to it.
549     ;; If we do things as the spec says, command accelerators will
550     ;; appear to not work, confusing new users.
551     #+NIL (read-command (frame-command-table frame) :use-keystrokes nil :stream stream)
552 ahefner 1.120 (if stream
553     (read-command (frame-command-table frame) :use-keystrokes t :stream stream)
554     (simple-event-loop frame)))
555 mikemac 1.1
556 tmoore 1.118 (define-event-class execute-command-event (window-manager-event)
557 gbaumann 1.110 ((sheet :initarg :sheet :reader event-sheet)
558     (command :initarg :command :reader execute-command-event-command)))
559    
560 mikemac 1.1 (defmethod execute-frame-command ((frame application-frame) command)
561 gbaumann 1.110 ;; ### FIXME: I'd like a different method than checking for
562     ;; *application-frame* to decide, which process processes which
563     ;; frames command loop. Perhaps looking ath the process slot?
564     ;; --GB 2005-11-28
565     (cond ((eq *application-frame* frame)
566     (apply (command-name command) (command-arguments command)))
567     (t
568     (let ((eq (sheet-event-queue (frame-top-level-sheet frame))))
569     (event-queue-append eq (make-instance 'execute-command-event
570     :sheet frame
571     :command command))))))
572    
573     (defmethod handle-event ((frame application-frame) (event execute-command-event))
574     (execute-frame-command frame (execute-command-event-command event)))
575 moore 1.94
576     (defmethod command-enabled (command-name (frame standard-application-frame))
577     (and (command-accessible-in-command-table-p command-name
578     (frame-command-table frame))
579     (not (member command-name (disabled-commands frame)))))
580    
581     (defmethod (setf command-enabled)
582     (enabled command-name (frame standard-application-frame))
583     (unless (command-accessible-in-command-table-p command-name
584     (frame-command-table frame))
585     (return-from command-enabled nil))
586     (with-accessors ((disabled-commands disabled-commands))
587     frame
588     (if enabled
589     (progn
590     (setf disabled-commands (delete command-name disabled-commands))
591     (note-command-enabled (frame-manager frame)
592     frame
593     command-name)
594     enabled)
595     (progn
596     (pushnew command-name disabled-commands)
597     (note-command-disabled (frame-manager frame)
598     frame
599     command-name)
600     nil))))
601    
602 moore 1.38 (defmethod make-pane-1 :around (fm (frame standard-application-frame) type
603     &rest args
604 moore 1.51 &key (input-buffer nil input-buffer-p)
605 moore 1.90 (name nil namep)
606 moore 1.51 &allow-other-keys)
607 moore 1.90 (declare (ignore name input-buffer))
608 moore 1.38 "Default input-buffer to the frame event queue."
609 moore 1.90 (let ((pane (if input-buffer-p
610     (call-next-method)
611     (apply #'call-next-method fm frame type
612     :input-buffer (frame-event-queue frame)
613     args))))
614     (when namep
615     (push pane (frame-named-panes frame)))
616 mikemac 1.91 pane))
617 mikemac 1.1
618     (defmethod adopt-frame ((fm frame-manager) (frame application-frame))
619     (setf (slot-value fm 'frames) (cons frame (slot-value fm 'frames)))
620     (setf (frame-manager frame) fm)
621 moore 1.52 (setf (port frame) (frame-manager-port fm))
622     (setf (graft frame) (find-graft :port (port frame)))
623 mikemac 1.1 (let* ((*application-frame* frame)
624 cvs 1.4 (t-l-s (make-pane-1 fm frame 'top-level-sheet-pane
625 moore 1.52 :name 'top-level-sheet
626     ;; enabling should be left to enable-frame
627 hefner1 1.79 :enabled-p nil))
628 hefner1 1.80 #+clim-mp (event-queue (sheet-event-queue t-l-s)))
629 mikemac 1.1 (setf (slot-value frame 'top-level-sheet) t-l-s)
630 moore 1.52 (generate-panes fm frame)
631 ahefner 1.124 (setf (slot-value frame 'state) :disabled)
632 hefner1 1.80 #+clim-mp
633 hefner1 1.79 (when (typep event-queue 'port-event-queue)
634     (setf (event-queue-port event-queue)
635     (frame-manager-port fm)))
636 moore 1.52 frame))
637 brian 1.28
638 mikemac 1.1 (defmethod disown-frame ((fm frame-manager) (frame application-frame))
639 hefner1 1.84 #+CLIM-MP
640 hefner1 1.79 (let* ((t-l-s (frame-top-level-sheet frame))
641     (queue (sheet-event-queue t-l-s)))
642     (when (typep queue 'port-event-queue)
643     (setf (event-queue-port queue) nil)))
644 mikemac 1.1 (setf (slot-value fm 'frames) (remove frame (slot-value fm 'frames)))
645     (sheet-disown-child (graft frame) (frame-top-level-sheet frame))
646 moore 1.52 (setf (%frame-manager frame) nil)
647     (setf (slot-value frame 'state) :disowned)
648 hefner1 1.79 (port-force-output (frame-manager-port fm))
649 moore 1.52 frame)
650    
651     (defmethod enable-frame ((frame application-frame))
652     (setf (sheet-enabled-p (frame-top-level-sheet frame)) t)
653     (setf (slot-value frame 'state) :enabled)
654     (note-frame-enabled (frame-manager frame) frame))
655    
656     (defmethod disable-frame ((frame application-frame))
657 ahefner 1.128 (let ((t-l-s (frame-top-level-sheet frame)))
658     (setf (sheet-enabled-p t-l-s) nil)
659     (when (port t-l-s)
660     (port-force-output (port t-l-s))))
661 moore 1.52 (setf (slot-value frame 'state) :disabled)
662     (note-frame-disabled (frame-manager frame) frame))
663    
664 tmoore 1.111 (defmethod destroy-frame ((frame application-frame))
665     (when (eq (frame-state frame) :enabled)
666     (disable-frame frame))
667     (disown-frame (frame-manager frame) frame))
668    
669 tmoore 1.113 (defmethod raise-frame ((frame application-frame))
670     (raise-sheet (frame-top-level-sheet frame)))
671    
672     (defmethod bury-frame ((frame application-frame))
673     (bury-sheet (frame-top-level-sheet frame)))
674    
675 moore 1.52 (defmethod note-frame-enabled ((fm frame-manager) frame)
676     (declare (ignore frame))
677     t)
678    
679     (defmethod note-frame-disabled ((fm frame-manager) frame)
680 moore 1.75 (declare (ignore frame))
681 moore 1.52 t)
682 mikemac 1.1
683 tmoore 1.111 (defun map-over-frames (function &key port frame-manager)
684     (cond (frame-manager
685     (mapc function (frame-manager-frames frame-manager)))
686     (port
687     (loop for manager in (frame-managers port)
688     do (map-over-frames function :frame-manager manager)))
689     (t (loop for p in *all-ports*
690     do (map-over-frames function :port p)))))
691    
692 cvs 1.8 (defvar *pane-realizer* nil)
693    
694 mikemac 1.1 (defmacro with-look-and-feel-realization ((frame-manager frame) &body body)
695 cvs 1.8 `(let ((*pane-realizer* ,frame-manager)
696     (*application-frame* ,frame))
697 adejneka 1.45 (locally
698     ,@body)))
699 mikemac 1.1
700 brian 1.28 ; The menu-bar code in the following two functions is incorrect.
701     ; it needs to be moved to somewhere after the backend, since
702     ; it depends on the backend chosen.
703     ;
704     ; This hack slaps a menu-bar into the start of the application-frame,
705     ; in such a way that it is hard to find.
706     ;
707     ; FIXME
708     (defun make-single-pane-generate-panes-form (class-name menu-bar pane)
709 moore 1.90 `(progn
710     (defmethod generate-panes ((fm frame-manager) (frame ,class-name))
711     ;; v-- hey, how can this be?
712     (with-look-and-feel-realization (fm frame)
713     (let ((pane ,(cond
714     ((eq menu-bar t)
715     `(vertically () (clim-internals::make-menu-bar
716 brian 1.28 ',class-name)
717 moore 1.90 ,pane))
718     ((consp menu-bar)
719     `(vertically () (clim-internals::make-menu-bar
720 brian 1.28 (make-command-table nil
721 moore 1.90 :menu ',menu-bar))
722     ,pane))
723     (menu-bar
724     `(vertically () (clim-internals::make-menu-bar
725     ',menu-bar)
726     ,pane))
727     ;; The form below is unreachable with (listp
728     ;; menu-bar) instead of (consp menu-bar) above
729     ;; --GB
730     (t pane))))
731     (setf (slot-value frame 'panes) pane))))
732     (defmethod frame-all-layouts ((frame ,class-name))
733     nil)))
734    
735     (defun find-pane-for-layout (name frame)
736     (cdr (assoc name (frame-panes-for-layout frame) :test #'eq)))
737    
738     (defun save-pane-for-layout (name pane frame)
739     (push (cons name pane) (frame-panes-for-layout frame))
740     pane)
741    
742 hefner1 1.96 (defun coerce-pane-name (pane name)
743 crhodes 1.123 (when pane
744 hefner1 1.96 (setf (slot-value pane 'name) name)
745     (push pane (frame-named-panes (pane-frame pane))))
746     pane)
747    
748     (defun do-pane-creation-form (name form)
749 moore 1.90 (cond
750     ((and (= (length form) 1)
751     (listp (first form)))
752 hefner1 1.96 `(coerce-pane-name ,(first form) ',name))
753 moore 1.90 ((keywordp (first form))
754     (let ((maker (intern (concatenate 'string
755     (symbol-name '#:make-clim-)
756     (symbol-name (first form))
757     (symbol-name '#:-pane))
758     :clim)))
759     (if (fboundp maker)
760     `(,maker :name ',name ,@(cdr form))
761     `(make-pane ',(first form)
762     :name ',name ,@(cdr form)))))
763     (t `(make-pane ',(first form) :name ',name ,@(cdr form)))))
764 mikemac 1.1
765 moore 1.47 (defun make-panes-generate-panes-form (class-name menu-bar panes layouts
766     pointer-documentation)
767     (when pointer-documentation
768     (setf panes (append panes
769     '((%pointer-documentation%
770     pointer-documentation-pane)))))
771 moore 1.90 `(progn
772     (defmethod generate-panes ((fm frame-manager) (frame ,class-name))
773     (let ((*application-frame* frame))
774     (with-look-and-feel-realization (fm frame)
775     (let ,(loop
776     for (name . form) in panes
777     collect `(,name (or (find-pane-for-layout ',name frame)
778     (save-pane-for-layout
779     ',name
780     ,(do-pane-creation-form name form)
781     frame))))
782     ;; [BTS] added this, but is not sure that this is correct for
783     ;; adding a menu-bar transparently, should also only be done
784     ;; where the exterior window system does not support menus
785     ,(if (or menu-bar pointer-documentation)
786     `(setf (slot-value frame 'panes)
787     (ecase (frame-current-layout frame)
788     ,@(mapcar (lambda (layout)
789     `(,(first layout)
790     (vertically ()
791     ,@(cond
792     ((eq menu-bar t)
793     `((clim-internals::make-menu-bar
794     ',class-name)))
795     ((consp menu-bar)
796     `((clim-internals::make-menu-bar
797     (make-command-table
798     nil
799     :menu ',menu-bar))))
800     (menu-bar
801     `((clim-internals::make-menu-bar
802     ',menu-bar)))
803     (t nil))
804     ,@(rest layout)
805     ,@(when pointer-documentation
806     '(%pointer-documentation%)))))
807     layouts)))
808     `(setf (slot-value frame 'panes)
809     (ecase (frame-current-layout frame)
810     ,@layouts)))))))
811     (defmethod frame-all-layouts ((frame ,class-name))
812     ',(mapcar #'car layouts))))
813 mikemac 1.1
814     (defmacro define-application-frame (name superclasses slots &rest options)
815     (if (null superclasses)
816     (setq superclasses '(standard-application-frame)))
817     (let ((pane nil)
818     (panes nil)
819     (layouts nil)
820     (current-layout nil)
821 mikemac 1.23 (command-table (list name))
822 mikemac 1.1 (menu-bar t)
823     (disabled-commands nil)
824     (command-definer t)
825     (top-level '(default-frame-top-level))
826 hefner1 1.86 (others nil)
827 mikemac 1.69 (pointer-documentation nil)
828 moore 1.87 (geometry nil)
829 ahefner 1.124 (user-default-initargs nil)
830 moore 1.87 (frame-arg (gensym "FRAME-ARG")))
831 mikemac 1.1 (loop for (prop . values) in options
832     do (case prop
833     (:pane (setq pane (first values)))
834     (:panes (setq panes values))
835     (:layouts (setq layouts values))
836     (:command-table (setq command-table (first values)))
837 brian 1.28 (:menu-bar (setq menu-bar (if (listp values)
838     (first values)
839     values)))
840 mikemac 1.1 (:disabled-commands (setq disabled-commands values))
841     (:command-definer (setq command-definer (first values)))
842     (:top-level (setq top-level (first values)))
843 moore 1.47 (:pointer-documentation (setq pointer-documentation (car values)))
844 mikemac 1.69 (:geometry (setq geometry values))
845 ahefner 1.124 (:default-initargs (setq user-default-initargs values))
846 ahefner 1.127 (t (push (cons prop values) others))))
847 hefner1 1.86 (when (eq command-definer t)
848     (setf command-definer
849     (intern (concatenate 'string
850     (symbol-name '#:define-)
851     (symbol-name name)
852     (symbol-name '#:-command)))))
853 mikemac 1.1 (if (or (and pane panes)
854     (and pane layouts))
855     (error ":pane cannot be specified along with either :panes or :layouts"))
856     (if pane
857     (setq panes (list 'single-pane pane)
858 moore 1.17 layouts `((:default ,(car pane)))))
859 mikemac 1.1 (setq current-layout (first (first layouts)))
860     `(progn
861 gilbert 1.95 (defclass ,name ,superclasses
862     ,slots
863     (:default-initargs
864     :name ',name
865     :pretty-name ,(string-capitalize name)
866     :command-table (find-command-table ',(first command-table))
867     :disabled-commands ',disabled-commands
868     :menu-bar ',menu-bar
869     :current-layout ',current-layout
870     :layouts ',layouts
871     :top-level (list ',(car top-level) ,@(cdr top-level))
872     :top-level-lambda (lambda (,frame-arg)
873     (,(car top-level) ,frame-arg
874 ahefner 1.124 ,@(cdr top-level)))
875 ahefner 1.127 ,@geometry
876 ahefner 1.124 ,@user-default-initargs)
877 gilbert 1.95 ,@others)
878     ,(if pane
879     (make-single-pane-generate-panes-form name menu-bar pane)
880     (make-panes-generate-panes-form name menu-bar panes layouts
881     pointer-documentation))
882     ,@(if command-table
883     `((define-command-table ,@command-table)))
884     ,@(if command-definer
885 ahefner 1.107 `((defmacro ,command-definer (name-and-options arguments &rest body)
886 gilbert 1.95 (let ((name (if (listp name-and-options) (first name-and-options) name-and-options))
887     (options (if (listp name-and-options) (cdr name-and-options) nil))
888     (command-table ',(first command-table)))
889 ahefner 1.107 `(define-command (,name :command-table ,command-table ,@options) ,arguments ,@body))))))))
890 gilbert 1.95
891 mikemac 1.1 (defun make-application-frame (frame-name
892     &rest options
893 moore 1.52 &key (pretty-name
894     (string-capitalize frame-name))
895     (frame-manager nil frame-manager-p)
896     enable
897     (state nil state-supplied-p)
898     save-under (frame-class frame-name)
899 mikemac 1.1 &allow-other-keys)
900 mikemac 1.69 (declare (ignore save-under))
901 moore 1.52 (with-keywords-removed (options (:pretty-name :frame-manager :enable :state
902 moore 1.53 :save-under :frame-class))
903 moore 1.52 (let ((frame (apply #'make-instance frame-class
904 mikemac 1.69 :name frame-name
905     :pretty-name pretty-name
906     options)))
907 moore 1.52 (when frame-manager-p
908     (adopt-frame frame-manager frame))
909     (cond ((or enable (eq state :enabled))
910     (enable-frame frame))
911     ((and (eq state :disowned)
912     (not (eq (frame-state frame) :disowned)))
913     (disown-frame (frame-manager frame) frame))
914     (state-supplied-p
915     (warn ":state ~S not supported yet." state)))
916     frame)))
917 cvs 1.4
918 tmoore 1.111 ;;; From Franz Users Guide
919    
920     (defun find-application-frame (frame-name &rest initargs
921     &key (create t) (activate t)
922     (own-process *multiprocessing-p*) port
923     frame-manager frame-class
924     &allow-other-keys)
925 tmoore 1.112 (declare (ignorable frame-class))
926 tmoore 1.111 (let ((frame (unless (eq create :force)
927     (block
928     found-frame
929     (map-over-frames
930     #'(lambda (frame)
931     (when (eq (frame-name frame) frame-name)
932     (return-from found-frame frame)))
933     :port port
934     :frame-manager frame-manager)))))
935     (unless (or frame create)
936     (return-from find-application-frame nil))
937     (unless frame
938     (with-keywords-removed (initargs (:create :activate :own-process))
939     (setq frame (apply #'make-application-frame frame-name initargs))))
940     (when (and frame activate)
941     (cond ((frame-process frame)
942 tmoore 1.113 (raise-frame frame))
943 tmoore 1.111 (own-process
944     (clim-sys:make-process #'(lambda ()
945     (run-frame-top-level frame))
946     :name (format nil "~A" frame-name)))
947     (t (run-frame-top-level frame))))
948     frame))
949    
950    
951    
952 cvs 1.7 ;;; Menu frame class
953    
954     (defclass menu-frame ()
955     ((left :initform 0 :initarg :left)
956     (top :initform 0 :initarg :top)
957 hefner1 1.103 (min-width :initform nil :initarg :min-width)
958 cvs 1.7 (top-level-sheet :initform nil :reader frame-top-level-sheet)
959 moore 1.90 (panes :reader frame-panes :initarg :panes)
960 cvs 1.7 (graft :initform nil :accessor graft)
961     (manager :initform nil :accessor frame-manager)))
962 adejneka 1.46
963 ahefner 1.124 (defclass menu-unmanaged-top-level-sheet-pane (unmanaged-top-level-sheet-pane)
964     ())
965    
966 cvs 1.7 (defmethod adopt-frame ((fm frame-manager) (frame menu-frame))
967     (setf (slot-value fm 'frames) (cons frame (slot-value fm 'frames)))
968 adejneka 1.46 (setf (frame-manager frame) fm)
969 brian 1.54 (let* ((t-l-s (make-pane-1 fm *application-frame*
970 ahefner 1.124 'menu-unmanaged-top-level-sheet-pane
971 cvs 1.7 :name 'top-level-sheet)))
972     (setf (slot-value frame 'top-level-sheet) t-l-s)
973 moore 1.90 (sheet-adopt-child t-l-s (frame-panes frame))
974 cvs 1.7 (let ((graft (find-graft :port (frame-manager-port fm))))
975     (sheet-adopt-child graft t-l-s)
976     (setf (graft frame) graft))
977 hefner1 1.103 (let ((pre-space (compose-space t-l-s))
978     (frame-min-width (slot-value frame 'min-width)))
979     (multiple-value-bind (width min-width max-width height min-height max-height)
980     (space-requirement-components pre-space)
981     (flet ((foomax (x y) (max (or x 1) (or y 1))))
982     (let ((space (make-space-requirement :min-width (foomax frame-min-width min-width)
983     :width (foomax frame-min-width width)
984     :max-width (foomax frame-min-width max-width)
985     :min-height min-height
986     :height height
987     :max-height max-height)))
988     (allocate-space (frame-panes frame)
989     (space-requirement-width space)
990     (space-requirement-height space))
991     (setf (sheet-region t-l-s)
992     (make-bounding-rectangle 0 0
993     (space-requirement-width space)
994     (space-requirement-height space))))
995     (setf (sheet-transformation t-l-s)
996     (make-translation-transformation (slot-value frame 'left)
997     (slot-value frame 'top))))))))
998 cvs 1.7
999     (defmethod disown-frame ((fm frame-manager) (frame menu-frame))
1000     (setf (slot-value fm 'frames) (remove frame (slot-value fm 'frames)))
1001     (sheet-disown-child (graft frame) (frame-top-level-sheet frame))
1002     (setf (frame-manager frame) nil))
1003    
1004 hefner1 1.103 (defun make-menu-frame (pane &key (left 0) (top 0) (min-width 1))
1005     (make-instance 'menu-frame :panes pane :left left :top top :min-width min-width))
1006 moore 1.18
1007     ;;; Frames and presentations
1008 moore 1.88 (defmethod frame-maintain-presentation-histories
1009     ((frame standard-application-frame))
1010     (if (find-pane-of-type (frame-panes frame) 'interactor-pane)
1011     t
1012     nil))
1013 moore 1.18
1014     (defmethod frame-find-innermost-applicable-presentation
1015     ((frame standard-application-frame) input-context stream x y
1016     &key event)
1017     (find-innermost-applicable-presentation input-context stream
1018     x y
1019     :frame frame :event event))
1020    
1021 adejneka 1.41 (defmethod frame-input-context-button-press-handler
1022 moore 1.18 ((frame standard-application-frame)
1023     (stream output-recording-stream)
1024     button-press-event)
1025     (let ((presentation (find-innermost-applicable-presentation
1026     *input-context*
1027     stream
1028     (pointer-event-x button-press-event)
1029     (pointer-event-y button-press-event)
1030 moore 1.37 :frame frame
1031     :event button-press-event)))
1032 moore 1.18 (when presentation
1033     (throw-highlighted-presentation presentation
1034     *input-context*
1035     button-press-event))))
1036    
1037     (defmethod frame-input-context-button-press-handler
1038     ((frame standard-application-frame) stream button-press-event)
1039 mikemac 1.36 (declare (ignore stream button-press-event))
1040 moore 1.27 nil)
1041 moore 1.18
1042 moore 1.47 (defgeneric frame-update-pointer-documentation
1043     (frame input-context stream event))
1044    
1045     (defconstant +button-documentation+ '((#.+pointer-left-button+ "L")
1046     (#.+pointer-middle-button+ "M")
1047 hefner1 1.96 (#.+pointer-right-button+ "R")
1048     (#.+pointer-wheel-up+ "WheelUp")
1049     (#.+pointer-wheel-down+ "WheelDown")))
1050 moore 1.47
1051 moore 1.48 (defconstant +modifier-documentation+
1052     '((#.+shift-key+ "sh" "Shift")
1053     (#.+control-key+ "c" "Control")
1054     (#.+meta-key+ "m" "Meta")
1055     (#.+super-key+ "s" "Super")
1056     (#.+hyper-key+ "h" "Hyper")))
1057    
1058     ;;; Give a coherent order to sets of modifier combinations. Multi-key combos
1059     ;;; come after single keys.
1060    
1061     (defun cmp-modifiers (a b)
1062     (let ((cnt-a (logcount a))
1063     (cnt-b (logcount b)))
1064     (cond ((eql cnt-a cnt-b)
1065     (< a b))
1066     (t (< cnt-a cnt-b)))))
1067    
1068     (defun print-modifiers (stream modifiers style)
1069 moore 1.49 (if (zerop modifiers)
1070     (when (eq style :long)
1071     (write-string "<nothing>" stream))
1072     (loop with trailing = nil
1073     for (bit short long) in +modifier-documentation+
1074     when (logtest bit modifiers)
1075     do (progn
1076     (format stream "~:[~;-~]~A" trailing (if (eq style :short)
1077     short
1078     long))
1079     (setq trailing t)))))
1080 moore 1.48
1081 tmoore 1.114 ;;; XXX Warning: Changing rapidly!
1082     ;;;
1083 moore 1.48 ;;; We don't actually want to print out the translator documentation and redraw
1084     ;;; the pointer documentation window on every motion event. So, we compute a
1085     ;;; state object (basically modifier state and a list of the applicable
1086     ;;; presentation, translator and input context on each mouse button),
1087     ;;; compare it to the previous state object, and only write out documentation
1088     ;;; if they are different. I suppose it's possible that this state object
1089     ;;; doesn't capture all possible documentation changes -- the doc generator is
1090     ;;; a function, after all -- but that's just tough.
1091     ;;;
1092     ;;; It would be nice to evolve this into a protocol so that elements other than
1093     ;;; presentations -- menu choices, for example -- could influence pointer
1094     ;;; documentation window.
1095    
1096 moore 1.50 (defgeneric frame-compute-pointer-documentation-state
1097     (frame input-context stream event)
1098     (:documentation
1099     "Compute a state object that will be used to generate pointer documentation."))
1100    
1101     (defmethod frame-compute-pointer-documentation-state
1102     ((frame standard-application-frame) input-context stream event)
1103     (let* ((current-modifier (event-modifier-state event))
1104     (x (device-event-x event))
1105     (y (device-event-y event))
1106     (new-translators
1107     (loop for (button) in +button-documentation+
1108     for context-list = (multiple-value-list
1109     (find-innermost-presentation-context
1110     input-context
1111     stream
1112     x y
1113     :modifier-state current-modifier
1114     :button button))
1115     when (car context-list)
1116     collect (cons button context-list))))
1117     (list current-modifier new-translators)))
1118    
1119     (defgeneric frame-compare-pointer-documentation-state
1120     (frame input-context stream old-state new-state))
1121    
1122     (defmethod frame-compare-pointer-documentation-state
1123     ((frame standard-application-frame) input-context stream
1124     old-state new-state)
1125 moore 1.78 (declare (ignore input-context stream))
1126 moore 1.50 (equal old-state new-state))
1127    
1128 thenriksen 1.130 (defun record-on-display (stream record)
1129     "Return true if `record' is part of the output history of
1130     `stream', false otherwise."
1131     (labels ((worker (record)
1132     (or (eq record (stream-output-history stream))
1133     (and (not (null (output-record-parent record)))
1134     (worker (output-record-parent record))))))
1135     (worker record)))
1136    
1137 moore 1.50 (defgeneric frame-print-pointer-documentation
1138     (frame input-context stream state event))
1139    
1140     (defmethod frame-print-pointer-documentation
1141     ((frame standard-application-frame) input-context stream state event)
1142     (unless state
1143     (return-from frame-print-pointer-documentation nil))
1144     (destructuring-bind (current-modifier new-translators)
1145     state
1146     (let ((x (device-event-x event))
1147     (y (device-event-y event))
1148     (pstream *pointer-documentation-output*))
1149 thenriksen 1.130 (if (null new-translators)
1150     (when (and (background-message pstream)
1151     (not (record-on-display pstream (background-message pstream))))
1152     (cond ((> (get-universal-time)
1153     (+ (background-message-time pstream)
1154     *background-message-minimum-lifetime*))
1155     (setf (background-message pstream) nil))
1156     (t
1157     (setf (output-record-parent (background-message pstream)) nil)
1158     (stream-add-output-record pstream (background-message pstream))
1159     (replay (background-message pstream) pstream))))
1160     (loop for (button presentation translator context)
1161     in new-translators
1162     for name = (cadr (assoc button +button-documentation+))
1163     for first-one = t then nil
1164     do (progn
1165     (unless first-one
1166     (write-string "; " pstream))
1167     (unless (zerop current-modifier)
1168     (print-modifiers pstream current-modifier :short)
1169     (write-string "-" pstream))
1170     (format pstream "~A: " name)
1171     (document-presentation-translator translator
1172     presentation
1173     (input-context-type context)
1174     *application-frame*
1175     event
1176     stream
1177     x y
1178     :stream pstream
1179     :documentation-type
1180     :pointer))
1181     finally (when new-translators
1182     (write-char #\. pstream))))
1183 moore 1.50 ;; Wasteful to do this after doing
1184     ;; find-innermost-presentation-context above... look at doing this
1185     ;; first and then doing the innermost test.
1186     (let ((all-translators (find-applicable-translators
1187 thenriksen 1.130 (stream-output-history stream)
1188     input-context
1189     *application-frame*
1190     stream
1191     x y
1192     :for-menu t))
1193     (other-modifiers nil))
1194     (loop for (translator) in all-translators
1195     for gesture = (gesture translator)
1196     unless (eq gesture t)
1197     do (loop for (name type modifier) in gesture
1198     unless (eql modifier current-modifier)
1199     do (pushnew modifier other-modifiers)))
1200     (when other-modifiers
1201     (setf other-modifiers (sort other-modifiers #'cmp-modifiers))
1202     (terpri pstream)
1203     (write-string "To see other commands, press " pstream)
1204     (loop for modifier-tail on other-modifiers
1205     for (modifier) = modifier-tail
1206     for count from 0
1207     do (progn
1208     (if (null (cdr modifier-tail))
1209     (progn
1210     (when (> count 1)
1211     (write-char #\, pstream))
1212     (when (> count 0)
1213     (write-string " or " pstream)))
1214     (when (> count 0)
1215     (write-string ", " pstream)))
1216     (print-modifiers pstream modifier :long)))
1217     (write-char #\. pstream))))))
1218 moore 1.50
1219 moore 1.47 (defmethod frame-update-pointer-documentation
1220     ((frame standard-application-frame) input-context stream event)
1221     (when *pointer-documentation-output*
1222 tmoore 1.114 (with-accessors ((frame-documentation-state frame-documentation-state)
1223     (documentation-record documentation-record))
1224 thenriksen 1.130 frame
1225 tmoore 1.114 (setf frame-documentation-state
1226     (frame-compute-pointer-documentation-state frame
1227     input-context
1228     stream
1229     event))
1230     ;; These ugly special bindings work around the fact that the outer
1231     ;; updating-output form closes over its body and allow the inner
1232     ;; form to see the correct, current values of those variables.
1233     (let ((%input-context% input-context)
1234     (%stream% stream)
1235     (%doc-state% frame-documentation-state)
1236     (%event% event))
1237     (declare (special %input-context% %stream% %doc-state% %event&))
1238     (if (and documentation-record
1239 thenriksen 1.130 (output-record-parent documentation-record))
1240 tmoore 1.114 (redisplay documentation-record *pointer-documentation-output*)
1241     (progn
1242     (setf documentation-record
1243 thenriksen 1.130 (updating-output (*pointer-documentation-output*)
1244     (updating-output (*pointer-documentation-output*
1245     :cache-value %doc-state%
1246     :cache-test #'equal)
1247     (frame-print-pointer-documentation frame
1248     %input-context%
1249     %stream%
1250     %doc-state%
1251     %event%))))))))))
1252    
1253     (defgeneric invoke-with-output-to-pointer-documentation (frame continuation)
1254     (:documentation "Invoke `continuation' with a single argument -
1255     a stream that the continuation can write to, the output of which
1256     will be used as the background message of the pointer
1257     documentation pane of `frame'. If the pointer-documentation of
1258     `frame' is not a `pointer-documentation-pane', `continuation'
1259     will not be called."))
1260    
1261     (defmethod invoke-with-output-to-pointer-documentation
1262     ((frame standard-application-frame) continuation)
1263     (with-accessors ((pointer-documentation frame-pointer-documentation-output)) frame
1264     (when (typep pointer-documentation 'pointer-documentation-pane)
1265     (setf (background-message pointer-documentation)
1266     (with-output-to-output-record (pointer-documentation)
1267     (funcall continuation pointer-documentation))
1268     (background-message-time pointer-documentation) (get-universal-time)))))
1269    
1270     (defmacro with-output-to-pointer-documentation ((stream frame) &body body)
1271     "Bind `stream' to the pointer-documentation pane of `frame' and
1272     capture the output of `body' on `stream' as the background
1273     message of the pointer documentation pane. If `frame' does not
1274     have a `pointer-documentation-pane' as pointer documentation,
1275     `body' will not be evaluated."
1276     `(invoke-with-output-to-pointer-documentation
1277     ,frame #'(lambda (,stream)
1278     ,@body)))
1279 moore 1.47
1280 moore 1.78 ;;; A hook for applications to draw random strings in the
1281     ;;; *pointer-documentation-output* without screwing up the real pointer
1282     ;;; documentation too badly.
1283    
1284 thenriksen 1.130 (defun frame-display-pointer-documentation-string (frame string)
1285     (with-output-to-pointer-documentation (stream frame)
1286     (write-string string stream)))
1287 moore 1.78
1288 moore 1.18 (defmethod frame-input-context-track-pointer
1289     ((frame standard-application-frame)
1290     input-context
1291     (stream output-recording-stream) event)
1292     (declare (ignore input-context event))
1293     nil)
1294    
1295     (defmethod frame-input-context-track-pointer
1296     ((frame standard-application-frame) input-context stream event)
1297 mikemac 1.36 (declare (ignore input-context stream event))
1298 moore 1.27 nil)
1299 moore 1.18
1300 moore 1.98 (defun frame-highlight-at-position (frame stream x y modifier input-context
1301     &key (highlight t))
1302     "Given stream x,y; key modifiers; input-context, find the applicable
1303     presentation and maybe highlight it."
1304 moore 1.47 (flet ((maybe-unhighlight (presentation)
1305     (when (and (frame-hilited-presentation frame)
1306 moore 1.98 (or (not highlight)
1307     (not (eq presentation
1308     (car (frame-hilited-presentation frame))))))
1309 moore 1.47 (highlight-presentation-1 (car (frame-hilited-presentation frame))
1310     (cdr (frame-hilited-presentation frame))
1311 moore 1.98 :unhighlight)
1312     (setf (frame-hilited-presentation frame) nil))))
1313 moore 1.18 (if (output-recording-stream-p stream)
1314     (let ((presentation (find-innermost-applicable-presentation
1315     input-context
1316 hefner1 1.76 stream
1317     x y
1318 moore 1.37 :frame frame
1319 hefner1 1.76 :modifier-state modifier)))
1320 moore 1.47 (maybe-unhighlight presentation)
1321 moore 1.98 (when (and presentation
1322     highlight
1323     (not (eq presentation
1324     (car (frame-hilited-presentation frame)))))
1325     (setf (frame-hilited-presentation frame)
1326     (cons presentation stream))
1327     (highlight-presentation-1 presentation stream :highlight))
1328     presentation)
1329 moore 1.47 (progn
1330     (maybe-unhighlight nil)
1331 moore 1.98 nil))))
1332 moore 1.78
1333 hefner1 1.76 (defmethod frame-input-context-track-pointer :before
1334     ((frame standard-application-frame) input-context
1335     (stream output-recording-stream) event)
1336     (frame-highlight-at-position frame stream
1337     (device-event-x event)
1338     (device-event-y event)
1339     (event-modifier-state event)
1340     input-context)
1341 moore 1.47 (frame-update-pointer-documentation frame input-context stream event))
1342 moore 1.27
1343 ahefner 1.120 (defun simple-event-loop (&optional (frame *application-frame*))
1344 moore 1.27 "An simple event loop for applications that want all events to be handled by
1345     handle-event methods"
1346 ahefner 1.120 (let ((queue (frame-event-queue frame)))
1347 adejneka 1.41 (loop for event = (event-queue-read queue)
1348     ;; EVENT-QUEUE-READ in single-process mode calls PROCESS-NEXT-EVENT itself.
1349     do (handle-event (event-sheet event) event))))
1350 moore 1.57
1351     ;;; Am I missing something? Does this need to do more? - moore
1352     (defmacro with-application-frame ((frame) &body body)
1353     `(let ((,frame *application-frame*))
1354     ,@body))
1355 hefner1 1.67
1356 hefner1 1.68 (defmethod note-input-focus-changed (pane state)
1357     (declare (ignore pane state)))
1358    
1359 moore 1.82 (defmethod (setf client-setting) (value frame setting)
1360     (setf (getf (client-settings frame) setting) value))
1361 moore 1.81
1362 moore 1.82 (defmethod reset-frame (frame &rest client-settings)
1363     (loop for (setting value) on client-settings by #'cddr
1364     do (setf (client-setting frame setting) value)))
1365 moore 1.98
1366     ;;; tracking-pointer stuff related to presentations
1367    
1368     (defclass frame-tracking-pointer-state (tracking-pointer-state)
1369     ((presentation-handler :reader presentation-handler :initarg :presentation)
1370     (presentation-button-release-handler
1371     :reader presentation-button-release-handler
1372     :initarg :presentation-button-release)
1373     (presentation-button-press-handler :reader presentation-button-press-handler
1374     :initarg :presentation-button-press)
1375     (applicable-presentation :accessor applicable-presentation :initform nil)
1376     (input-context :reader input-context)
1377     (highlight :reader highlight))
1378     (:default-initargs :presentation nil
1379     :presentation-button-press nil
1380     :presentation-button-release nil
1381     :context-type t))
1382    
1383     (defmethod initialize-instance :after
1384     ((obj frame-tracking-pointer-state)
1385     &key presentation presentation-button-press presentation-button-release
1386 moore 1.99 (highlight nil highlightp) context-type
1387     multiple-window)
1388     (declare (ignore multiple-window))
1389 tmoore 1.114 (let ((presentation-clauses-p (or presentation
1390     presentation-button-press
1391     presentation-button-release)))
1392     (setf (slot-value obj 'highlight) (if highlightp
1393     highlight
1394     presentation-clauses-p))
1395 moore 1.98 (setf (slot-value obj 'input-context)
1396 tmoore 1.114 (if (or presentation-clauses-p highlight)
1397     (make-fake-input-context context-type)
1398     nil))))
1399 moore 1.98
1400     (defmethod make-tracking-pointer-state
1401     ((frame standard-application-frame) sheet args)
1402     (declare (ignore sheet))
1403     (apply #'make-instance 'frame-tracking-pointer-state
1404     args))
1405    
1406     (defmethod tracking-pointer-loop :before
1407     ((state frame-tracking-pointer-state) frame sheet &rest args)
1408     (declare (ignore args))
1409     (if (highlight state)
1410     (highlight-current-presentation frame (input-context state))
1411     (let ((hilited (frame-hilited-presentation frame)))
1412     (when hilited
1413     (highlight-presentation-1 (car hilited)
1414     (cdr hilited)
1415     :unhighlight)))))
1416    
1417 tmoore 1.104 ;;; Poor man's find-applicable-translators. tracking-pointer doesn't want to
1418     ;;; see any results from presentation translators.
1419 tmoore 1.114 ;;;
1420     ;;; XXX I don't see why not (even though I wrote the above comment :) and
1421     ;;; Classic CLIM seems to agree. -- moore
1422     (defun highlight-for-tracking-pointer (frame stream event input-context
1423     highlight)
1424 tmoore 1.117 (let ((presentation nil)
1425 tmoore 1.104 (current-hilited (frame-hilited-presentation frame)))
1426 tmoore 1.114 (when (output-recording-stream-p stream)
1427 tmoore 1.117 ;; XXX Massive hack to prevent the presentation action for completions
1428     ;; from being applicable. After the .9.2.2 release that action will have
1429     ;; a more restrictive context type.
1430     (let ((*completion-possibilities-continuation* nil))
1431     (setq presentation (find-innermost-applicable-presentation
1432     input-context
1433     stream
1434     (device-event-x event)
1435     (device-event-y event)
1436     :frame frame))))
1437 tmoore 1.114 (when (and current-hilited (not (eq (car current-hilited) presentation)))
1438     (highlight-presentation-1 (car current-hilited)
1439     (cdr current-hilited)
1440     :unhighlight))
1441     (when (and presentation highlight)
1442     (setf (frame-hilited-presentation frame) (cons presentation stream))
1443     (highlight-presentation-1 presentation stream :highlight))
1444     presentation))
1445 tmoore 1.104
1446 moore 1.98 (defmethod tracking-pointer-loop-step :before
1447     ((state frame-tracking-pointer-state) (event pointer-event) x y)
1448     (declare (ignore x y))
1449 tmoore 1.114 (when (input-context state)
1450 moore 1.98 (let ((stream (event-sheet event)))
1451     (setf (applicable-presentation state)
1452 tmoore 1.104 (highlight-for-tracking-pointer *application-frame* stream
1453 tmoore 1.114 event
1454     (input-context state)
1455     (highlight state))))))
1456 tmoore 1.104
1457 moore 1.98
1458     (macrolet ((frob (event handler)
1459     `(defmethod tracking-pointer-loop-step
1460     ((state frame-tracking-pointer-state) (event ,event) x y)
1461     (let ((handler (,handler state))
1462     (presentation (applicable-presentation state)))
1463     (if (and handler presentation)
1464     (funcall handler :presentation presentation
1465 hefner1 1.102 :event event
1466 moore 1.98 :window (event-sheet event)
1467     :x x :y y)
1468     (call-next-method))))))
1469     (frob pointer-motion-event presentation-handler)
1470     (frob pointer-button-press-event presentation-button-press-handler)
1471     (frob pointer-button-release-event presentation-button-release-handler))
1472    
1473 tmoore 1.105 (defun make-drag-bounding (old-highlighting new-highlighting
1474     old-presentation new-presentation)
1475     (let (x1 y1 x2 y2)
1476     (flet ((union-with-bounds (rect)
1477     (cond ((null rect)
1478     nil)
1479     ((null x1)
1480     (setf (values x1 y1 x2 y2) (bounding-rectangle* rect)))
1481     (t (with-bounding-rectangle* (r-x1 r-y1 r-x2 r-y2)
1482     rect
1483     (setf (values x1 y1 x2 y2)
1484     (bound-rectangles x1 y1 x2 y2
1485     r-x1 r-y1 r-x2 r-y2)))))))
1486     (union-with-bounds old-highlighting)
1487     (union-with-bounds new-highlighting)
1488     (union-with-bounds old-presentation)
1489     (union-with-bounds new-presentation)
1490     (values x1 y1 x2 y2))))
1491    
1492     (defun make-drag-and-drop-feedback-function (from-presentation)
1493     (multiple-value-bind (record-x record-y)
1494     (output-record-position from-presentation)
1495     (let ((current-to-presentation nil)
1496     (current-from-higlighting nil))
1497     (lambda (frame from-presentation to-presentation initial-x initial-y
1498     x y event)
1499     (let ((dx (- record-x initial-x))
1500     (dy (- record-y initial-y)))
1501     (typecase event
1502     (null
1503     ())))))))
1504 moore 1.98
1505 tmoore 1.114 (defmethod frame-drag-and-drop-feedback
1506     ((frame standard-application-frame) from-presentation stream
1507     initial-x initial-y x y state)
1508     (with-bounding-rectangle* (fp-x1 fp-y1 fp-x2 fp-y2)
1509     from-presentation
1510     ;; Offset from origin of presentation is preserved throughout
1511     (let* ((x-off (- fp-x1 initial-x))
1512     (y-off (- fp-y1 initial-y))
1513     (hilite-x1 (+ x-off x))
1514     (hilite-y1 (+ y-off y))
1515     (hilite-x2 (+ hilite-x1 (- fp-x2 fp-x1)))
1516     (hilite-y2 (+ hilite-y1 (- fp-y2 fp-y1))))
1517     (with-identity-transformation (stream)
1518     (ecase state
1519     (:highlight
1520     (with-output-recording-options (stream :record nil)
1521     (draw-rectangle* stream hilite-x1 hilite-y1 hilite-x2 hilite-y2
1522     :filled nil :line-dashes #(4 4))))
1523     (:unhighlight
1524     (with-double-buffering
1525 tmoore 1.116 ((stream hilite-x1 hilite-y1 (1+ hilite-x2) (1+ hilite-y2))
1526 tmoore 1.114 (buffer-rectangle))
1527     (stream-replay stream buffer-rectangle))))))))
1528    
1529     (defmethod frame-drag-and-drop-highlighting
1530 tmoore 1.115 ((frame standard-application-frame) to-presentation stream state)
1531     (highlight-presentation-1 to-presentation stream state))
1532 tmoore 1.114
1533 tmoore 1.115 (defun frame-drag-and-drop (translator-name command-table
1534     from-presentation context-type frame event window
1535     x y)
1536     (declare (ignore command-table))
1537     (let* ((*dragged-presentation* from-presentation)
1538     (*dragged-object* (presentation-object from-presentation))
1539     (translators (mapcan (lambda (trans)
1540 tmoore 1.114 (and (typep trans 'drag-n-drop-translator)
1541 tmoore 1.115 (funcall (tester trans)
1542     (presentation-object
1543     from-presentation)
1544     :presentation from-presentation
1545     :context-type context-type
1546     :frame frame
1547     :window window
1548     :x x
1549     :y y
1550 tmoore 1.116 :event event)
1551     (list trans)))
1552 tmoore 1.114 (find-presentation-translators
1553 tmoore 1.115 (presentation-type from-presentation)
1554 tmoore 1.114 context-type
1555     (frame-command-table frame))))
1556 tmoore 1.115 ;; Try to run the feedback and highlight functions of the translator
1557     ;; that got us here.
1558 tmoore 1.114 (translator (or (find translator-name translators :key #'name)
1559     (car translators)))
1560 tmoore 1.115 (initial-feedback-fn (feedback translator))
1561     (initial-hilite-fn (highlighting translator))
1562     (destination-presentation nil)
1563     (initial-x x)
1564     (initial-y y)
1565     (last-presentation nil)
1566     (feedback-activated nil)
1567     (feedback-fn initial-feedback-fn)
1568     (hilite-fn initial-hilite-fn)
1569     (last-event nil))
1570     ;; We shouldn't need to use find-innermost-presentation-match
1571     ;; This repeats what tracking-pointer has already done, but what are you
1572     ;; gonna do?
1573     (flet ((find-dest-translator (presentation window x y)
1574     (loop for translator in translators
1575     when (and (presentation-subtypep
1576     (presentation-type presentation)
1577     (destination-ptype translator))
1578     (test-presentation-translator translator
1579     presentation
1580     context-type frame
1581     window x y))
1582     do (return-from find-dest-translator translator))
1583     nil)
1584 tmoore 1.116 (do-feedback (window x y state)
1585     (funcall feedback-fn frame from-presentation window
1586     initial-x initial-y x y state))
1587 tmoore 1.115 (do-hilite (presentation window state)
1588 tmoore 1.116 (funcall hilite-fn frame presentation window state))
1589 tmoore 1.115 (last-window ()
1590     (event-sheet last-event))
1591     (last-x ()
1592     (pointer-event-x last-event))
1593     (last-y ()
1594     (pointer-event-y last-event)))
1595     ;; :highlight nil will cause the presentation that is the source of the
1596     ;; dragged object to be unhighlighted initially.
1597     (block do-tracking
1598     (tracking-pointer (window :context-type `(or ,(mapcar #'from-type
1599     translators))
1600     :highlight nil
1601 tmoore 1.117 :multiple-window nil) ;XXX
1602 tmoore 1.115 (:presentation (&key presentation window event x y)
1603     (let ((dest-translator (find-dest-translator presentation window
1604     x y)))
1605 tmoore 1.116 (when feedback-activated
1606     (do-feedback (last-window) (last-x) (last-y) :unhighlight))
1607 tmoore 1.115 (setq feedback-activated t
1608     last-event event)
1609 tmoore 1.116 (when last-presentation
1610     (do-hilite last-presentation (last-window) :unhighlight))
1611 tmoore 1.115 (setq last-presentation presentation
1612     feedback-fn (feedback dest-translator)
1613     hilite-fn (highlighting dest-translator))
1614     (do-hilite presentation window :highlight)
1615 tmoore 1.116 (do-feedback window x y :highlight)
1616 tmoore 1.115 (document-drag-n-drop dest-translator presentation
1617     context-type frame event window
1618     x y)))
1619     (:pointer-motion (&key event window x y)
1620 tmoore 1.116 (when feedback-activated
1621     (do-feedback (last-window) (last-x) (last-y) :unhighlight))
1622 tmoore 1.115 (setq feedback-activated t
1623     last-event event)
1624 tmoore 1.116 (when last-presentation
1625     (do-hilite last-presentation (last-window) :unhighlight))
1626 tmoore 1.115 (setq last-presentation nil)
1627 tmoore 1.116 (do-feedback window x y :highlight)
1628 tmoore 1.115 (document-drag-n-drop translator nil
1629     context-type frame event window
1630     x y))
1631     ;; XXX only support finish-on-release for now.
1632     #-(and)(:presentation-button-press ())
1633     (:presentation-button-release (&key presentation event)
1634     (setq destination-presentation presentation
1635     last-event event)
1636     (return-from do-tracking nil))
1637     #-(and)(:button-press ())
1638     (:button-release (&key event)
1639     (setq last-event event)
1640     (return-from do-tracking nil))))
1641     ;;
1642     ;; XXX Assumes x y from :button-release are the same as for the preceding
1643     ;; button-motion; is that correct?
1644 tmoore 1.116 (when feedback-activated
1645     (do-feedback (last-window) (last-x) (last-y) :unhighlight))
1646     (when last-presentation
1647     (do-hilite last-presentation (last-window) :unhighlight))
1648 tmoore 1.115 (if destination-presentation
1649     (let ((final-translator (find-dest-translator destination-presentation
1650     (last-window)
1651     (last-x)
1652     (last-y))))
1653     (if final-translator
1654     (funcall (destination-translator final-translator)
1655     *dragged-object*
1656     :presentation *dragged-presentation*
1657     :destination-object (presentation-object
1658     destination-presentation)
1659     :destination-presentation destination-presentation
1660     :context-type context-type
1661     :frame frame
1662     :event event
1663     :window window
1664     :x x
1665     :y y)
1666     (values nil nil)))
1667     (values nil nil)))))
1668    
1669     (defun document-drag-n-drop
1670     (translator presentation context-type frame event window x y)
1671     (when *pointer-documentation-output*
1672     (let ((s *pointer-documentation-output*))
1673     (window-clear s)
1674     (with-end-of-page-action (s :allow)
1675     (with-end-of-line-action (s :allow)
1676 tmoore 1.116 (funcall (pointer-documentation translator)
1677     *dragged-object*
1678     :presentation *dragged-presentation*
1679     :destination-object (and presentation
1680     (presentation-object presentation))
1681     :destination-presentation presentation
1682     :context-type context-type
1683     :frame frame
1684     :event event
1685     :window window
1686     :x x
1687     :y y
1688     :stream s))))))
1689    
1690 tmoore 1.115
1691    

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